Body Cooling System - Rochester Institute Of Technology

Transcription

Body Cooling SystemReview V

Team MembersMallory Wingate, BIME, Project ManagerJared Raphael, ISE, Quality ManagerCrystal Mendoza Paulin, BIME, CommunicationsBenjamin Spangler, MECE, Lead EngineerAlyssa Lorczak, BIME, Chief Testing EngineerFigure 1: P16013 Team Members

Agenda Problem Statement & DeliverablesCustomer RequirementsEngineering RequirementsRisk AssessmentUpdated Bill of MaterialsUpdated BudgetPrototypesTest PlansMaterials Selection - tissue plate, PASCO equipment, insulative and wicking materialsDesign of ExperimentsPreliminary CalculationsUpdated ModelsPreliminary DataCommunity Outreach Events and CompetitionsDeliverables for end of MSD IPlan for MSD II

Problem Statement Studio 2.0 will create a passive body-cooling device for individuals whohave Multiple Sclerosis (MS)Team P16013 will design a testing apparatus to test different garments,materials and body placement for ideal cooling parametersProject Deliverables Testing rig for the body-cooling deviceTested body-cooling prototype

Customer RequirementsCategoryRequirement #ImportanceDescriptionSystemCR19Light weightSystemCR29Unnoticeable or fashionableSystemCR33ComfortableSystemCR41Allergy consciousSystemCR53Quick rechargeSystemCR63Easy to use (system)SystemCR79Efficiently cools bodySystemCR89Long duration of coolingSystemCR99SafeTest RigCR109Test for ideal phase-change material propertiesTest RigCR119Test for optimal insulator material thicknessTest RigCR129Determine duration of coolingTest RigCR139Determined duration of rechargeTest RigCR149Test for weight of systemTest RigCR159Determine rate of coolingTest RigCR169Test for optimal dimensions of packsTest RigCR179Easy to use (rig)

Engineering RequirementsCategorySystemDesignTest otal Weight of Body Cooling SystemER29CR2% of observers who notice systemER33CR3Time worn and deemed comfortable (score outof 5 on comfort scale)ER41CR4% Composition of LatexER53CR5Time to refreeze after useER63CR6Time to put on/take off systemUnit of measureTarget ValueVerificationMethodlbs 3lbsWeigh using scalepercentage 10%Survey ObserversSubjective ranking 4Survey userspercentage0%Observationhrs 2 hrsTime the processmins 2 minsTime the processDeg C/min0.1 Deg C/minUse Thermometer &StopwatchER79CR7Rate of body cooling (sedentary)ER89CR8Duration of CoolingHours 2 hoursTime the processER99CR9FDA compliantBinarySuccessfulPass or failER109CR16FlexibilitySubjective ranking5Survey usersER119CR10Net Energy Storage capabilityJoules340JTemp. SensorER129CR15Accuracy of Temperature measurementDeg C" /-" .5 Deg C ofactualDigital therm. specsER139CR14Accuracy of Weight measurementlbs" /-".1lbs of actualDigital scale specsER149CR11,12,13,15Accuracy of Time value measurements" /-".1s of actualSensor specificationsER159CR10 - CR16Sensor response times 1sSensor specificationsER163CR17Setup Time of rigmins 5 minsTime the processER173CR17Space taken up by test rigsq ft 25 sq ftMeasure dimensions

Risks

Risks

Bill of Materials - Team P16013Part #Part DescriptionQuantityPack SizeSource/CompanyLead TimeUnit Cost (USD) Total Cost (USD)UI-5401PASCO Capstone Single User License11PASCO1 week 99.00 99.00PS-2157PASPORT Temperature Array11PASCO1 week 259.00 259.00PS-2135PASPORT Fast Response Temperature Probe13PASCO1 week 9.67Included w/ arrayPS-2153PASPORT Stainless Steel Temperature Probe11PASCO1 week 22.00 22.00PS-2100AUSB Link21PASCO1 week 59.00 118.00100100PASCO1 week 0.25 25.00PASPORT Goniometer Sensor11PASCO1 week 259.00 259.00Ultra Thin Professional Digital Kitchen Food Scale11Home Depot2 weeks 17.47 17.47Benchmark Scientific H3760-HS Digital Hotplate and Stirrer,6.5"x6.5", 115V11Test Equipment Depot1 week 319.00 319.00PureTemp 23Unencapsulated PCM Sample (7 lb)71PureTemp1 week 20.00 140.00PureTemp 25Unencapsulated PCM Sample (2 lb)21PureTemp1 week 20.00 40.00PureTemp 27Unencapsulated PCM Sample (2 lb)21PureTemp1 week 20.00 40.00T-PLA-A0010SynDaver Muscular Tissue PlateSkin Toughness: 2N PunctureSkin Type: CaucasianMuscle Thickness: 06mmStructure: Bonded Layers11SynDaver3 weeks 125.00 125.00Sample of Under Armour HeatGear Fabric61Rockywoods Fabrics1 week 0.50 3.00Sample of Moisture Control Sun Blocker Fabric61Rockywoods Fabrics1 week 0.50 3.00Sample of 4.3 oz. Polyester Micro Fiber Flatback Mesh DoubleCircular Knit Fabric in Granite61Rockywoods Fabrics1 week 0.50 3.00N/ASample of 3M Thinsulate Ultra 15041Rockywoods Fabrics1 week 0.50 2.00J250Sample of 3M Thinsulate Platinum Insulation, J25041Rockywoods Fabrics1 week 0.50 2.0011Best Buy10 days 299.99 299.99Total: 1,776.46PS-2525Adhesive PatchesPS-2137ZK010H3760-HSSAMUA-HGSAM2305SAM4.3oz PolyesterFlatback MeshModel: 80M80020US Lenovo - G51 15.6" Laptop - AMD A8-Series - 8GB Memory SKU: 44751001TB Hard Drive - Black

Updated BudgetThermApparel BudgetInitial Budget 3,000.00Tiger Tank Prize 1250.00Effective Access Technology Prize 1000.00New Budget 5,250.00Engineering Expenses- 1,776.46ID ExpensesBusiness ExpensesEnd of Semester Budget- 62.13- 233.62 3,177.79

Updated PrototypesThermaCollarThermaBeltThermaSeat

Test Plans

Test Plans

SynDaver Muscular Tissue Plate Layers: SkinSubcutaneous FatSkeletal Muscle - 6 mm thicknessComposition: 70% waterConstruction: bondedCan withstand heat up to 110 Less complex than the abdominaltissue plate, but accurate enough fortesting needs

Materials Selection - PASCO EquipmentComponentSpecificationsPASCO Capstone Single User LicenseCompatible with all PASCO hardwarePASPORT Temperature ArrayAccuracyPrice ( )N/A 99.00-10 C to 70 C 0.5 C 259.00PASPORT Fast Response Temperature Probe-10 C to 70 C 0.5 CPASPORT Stainless Steel Temperature Probe-35 to 135 C 0.5 C 22.00USB Link (2)Links PASPORT to laptopN/A 118.00Adhesive Patches100 packN/A 25.00PASPORT Goniometer Sensor0 – 340 (-170 to 170 )Benchmark Scientific H3760-HS Digital Hotplateand Stirrer, 6.5"x6.5", 115Vambient - 380 C 0.5 C 319.00Ultra Thin Professional Digital Kitchen Food Scale.1 lbs - 11 lbs 0.1 lbs 17.472% of measurement uncalibrated 1% with calibrationEstimated Total:Included with array 259.00 1,118.47

Materials Selection - PASCO SoftwareTemperature array,temperature probes,adhesive patchesGoniometer, anglesensor, velcro straps

Materials Selection - Wicking Materials Under Armour HeatGear Fabric Moisture Control Sun Blocker Fabric Double-sided fabric4-way stretchOdor control95% Polyester/ 5% ElastaneStrength to resist breaks and tearsMoisture Control System Blocker disperses moisture over wider surface areaDries faster than cottonPolyester MicroFiber Flatback Mesh Double Circular Knit Fabric Specially treated with wicking finishUsed as a lining in medical braces

Materials Selection - Insulative Materials Thinsulate general properties 3M Thinsulate Platinum J250 Hydrophobic fibersExceptional warmthEffective when dampThickness: 2.5 cmWeight: 250 g/m 2R-value: 3.93M Thinsulate Ultra 150 Thickness: 1.62 cmWeight: 180 g/m 2R-value: 2.00

FabricDesign of ExperimentsInsulatorPCMUnder Armour HeatGear Thinsulate Ultra 150 PureTemp 23Moisture Control SunBlockerThinsulate PlatinumPureTemp 25J250Polyester MicroFiberPureTemp 27NexoTherm*Screening Design*: Allows us to estimate coefficients of main effects while minimizing number of runs.**Will use these results to decide on best combination for future human testing

Preliminary Calculations

Test Hardware

PCM Property Testing

Fabric Testing

Prototype Testing

Human Model

Preliminary DataThermaBelt - PCMTemperature ( )Temperature ( )ThermaBelt - IceTime (s)Time (s)

Community Outreach Events and Competitions RIT Tiger Tank Competition - October 23rd Al Sigl Community WalkAbout - October 25th Presented poster to potential customers and supporters of Al SiglRIT Effective Access Technology Conference - November 10th 2nd Place, 1250 prize2nd Place, 1000 prizeRIT Business Model Competition Round 1 - spring semesterRIT Business Model Competition Round 2 - spring semester

Deliverables for end of MSD I - Status updates Completed test apparatus design Preliminary testing completed and data collected Critical path: Approval to work in BME labs Water-based prototype received from ID Team PCM Company delivers materials and/or prototype Testing protocol written Materials ordered and received Critical path: Approval to work in BME labs Critical path: Purchases approved through Innovation Center Purchases shipped and received in timely manner IRB Approval forms completed and submitted Critical path: IRB workshop for feedback

Preliminary Timeline for MSD II Testing Phases: Phase I: Testing of NexoTherm PCM properties Start: January 25th End: February 5thPhase II: Testing of wicking, insulative and phase change material efficiencies Start: February 8th End: February 26thPhase III: Testing of prototypes on team Start: February 29th End: March 11thPhase IV: Testing of prototypes on SynDaver tissue plate and volunteer subjects Start: March 14th End: April 29thPaper and presentation preparation Start: April 25thEnd: May 6thImagine RIT - May 7th

Questions?

PS-2135 PASPORT Fast Response Temperature Probe 1 3 PASCO 1 week 9.67 Included w/ array PS-2153 PASPORT Stainless Steel Temperature Probe 1 1 PASCO 1 week 22.00 22.00 PS-2100A USB Link 2 1 PASCO 1 week 59.00 118.00 PS-2525 Adhesive Patches 100 100 PASCO 1 week 0.25 25.00 PS-2137 PASPORT Goniometer Sensor 1 1 PASCO 1 week 259.00 259.00